Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A graphical representation of the natural numbers in a spiral formation, showing that the prime numbers, when highlighted, tend to fall in clusters and diagonal lines.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Stanislaw Marcin Ulam, (1909–1984), Polish-born American mathematician who discovered it.]
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Examples
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fbharjo commented on the word Ulam spiral
April 10, 2011